diff --git a/ocaml-sdl.spec b/ocaml-sdl.spec
index 4de9795..1501dfb 100644
--- a/ocaml-sdl.spec
+++ b/ocaml-sdl.spec
@@ -2,7 +2,7 @@
 
 Name:          ocaml-sdl
 Version:       0.9.1
-Release:       3mamba
+Release:       4mamba
 Summary:       OCamlSDL is an interface between the ML programming language and the SDL C library
 Group:         Development/Bindings
 Vendor:        openmamba
@@ -22,8 +22,8 @@ BuildRequires: libSDL_ttf-devel
 BuildRequires: ocaml
 BuildRequires: ocaml-runtime
 ## AUTOBUILDREQ-END
+BuildRequires: ocaml >= 4.14.1
 BuildRequires: libSDL_gfx-devel >= 2.0.26
-BuildRequires: ocaml
 BuildRequires: ocaml-findlib
 
 %description
@@ -42,7 +42,7 @@ This package contains libraries and signature files for developing applications
 
 %prep
 %setup -q -n ocamlsdl-%{version}
-%patch0 -p1 -b .safe-string
+%patch 0 -p1 -b .safe-string
 
 %build
 ./configure \
@@ -84,6 +84,9 @@ make install
 %doc doc/html/
 
 %changelog
+* Thu Jul 06 2023 Sdk Build System <sdk@mambasoft.it> 0.9.1-4mamba
+- rebuilt with ocaml 4.14.1
+
 * Fri Dec 31 2021 Silvan Calarco <silvan.calarco@mambasoft.it> 0.9.1-3mamba
 - rebuilt with libSDL_gfx 2.0.26